hg: jdk9/sandbox/jdk: 8161039: System.getProperty("os.version") returns incorrect version number on Mac

[chris.hegarty at oracle.com]

Changeset: 165e4d9c7afa
Author:    bchristi
Date:      2016-07-21 13:02 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/165e4d9c7afa

8161039: System.getProperty("os.version") returns incorrect version number on Mac
Summary: Omit trailing .0 from os.version when patchVersion is 0
Reviewed-by: alanb

! src/java.base/macosx/native/libjava/java_props_macosx.c